About: Optimal propotions of wedge splitting test specimen for testing of various cement based composites

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Classical fracture tests (bending, tensile) as well as the wedge splitting test (WST) can be employed for the determination of the fracture-mechanical parameters of quasi-brittle cement-based building materials. In this paper, the focus of attention is the WST. The influence of the material brittleness (defined by the characteristic length of the material) is numerically investigated in the paper, as is the influence of the relative notch depth on the results obtained from the WST. The aim of the study is to minimize the negative effects occurring during experimental activities, particularly the material damage (and therefore also energy dissipation) taking place outside the desired portion of the specimen – the ligament – especially around the groove corner(s). The analysis has been conducted using cohesive crack modelling tools and, in contrast, linear elastic fracture mechanics and the fracture mechanics of generalized stress concentrators. Two FEM systems have been used for numerical predictio Classical fracture tests (bending, tensile) as well as the wedge splitting test (WST) can be employed for the determination of the fracture-mechanical parameters of quasi-brittle cement-based building materials. In this paper, the focus of attention is the WST. The influence of the material brittleness (defined by the characteristic length of the material) is numerically investigated in the paper, as is the influence of the relative notch depth on the results obtained from the WST. The aim of the study is to minimize the negative effects occurring during experimental activities, particularly the material damage (and therefore also energy dissipation) taking place outside the desired portion of the specimen – the ligament – especially around the groove corner(s). The analysis has been conducted using cohesive crack modelling tools and, in contrast, linear elastic fracture mechanics and the fracture mechanics of generalized stress concentrators. Two FEM systems have been used for numerical predictio (en)
Title	Optimal propotions of wedge splitting test specimen for testing of various cement based composites Optimal propotions of wedge splitting test specimen for testing of various cement based composites (en)
skos:prefLabel	Optimal propotions of wedge splitting test specimen for testing of various cement based composites Optimal propotions of wedge splitting test specimen for testing of various cement based composites (en)
skos:notation	RIV/00216305:26110/11:PU96582!RIV13-AV0-26110___
http://linked.open...avai/predkladatel	Fakulta stavební
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0579), P(KJB200410901)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Seitl, Stanislav Veselý, Václav Řoutil, Ladislav Klusák, Jan
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta stavební
http://linked.open...dnocenehoVysledku	218597
http://linked.open...ai/riv/idVysledku	RIV/00216305:26110/11:PU96582
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	wedge-splitting test, cementitious composites, quasi-brittle fracture, characteristic length, general singular stress concentrator, specimen proportions (en)
http://linked.open.../riv/klicoveSlovo	cementitious composites characteristic length wedge-splitting test general singular stress concentrator specimen proportions quasi-brittle fracture
http://linked.open...ontrolniKodProRIV	[D4C817D9B1A3]
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Fracture of silicate based composites studied on core drilled specimens – numerical-modeling background for advanced fracture parameters determination Centre for Integrated Design of Advanced Structures
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Klusák, Jan Seitl, Stanislav Veselý, Václav Řoutil, Ladislav
http://localhost/t...ganizacniJednotka	26110

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